https://alexnld.com/product/retevis-rt-5rv-136-174mhz-400-520mhz-128chs-two-segment-handheld-walkie-talkie-uk-plug/?hilite="Yinitone HT-UV1 5W Walkie Talkie Dual Band 400-520Mhz/136-174Mhz 199 Channels FM Transceiver Two Way Radio"